Finding the Fourth Proportional to 805,824.27, 1,112,051.61 and 443,263.41

Step by Step Solution

1. Step 1: Write the proportion equation
   805,824.27 : 1,112,051.61 = 443,263.41 : x
2. Step 2: Convert to fraction form
   805,824.27/1,112,051.61 = 443,263.41/x
3. Step 3: Cross multiply
   805,824.27x = 1,112,051.61 × 443,263.41
4. Step 4: Simplify right side
   805,824.27x = 492,931,788,744.59
5. Step 5: Solve for x
   x = 492,931,788,744.59/805,824.27
6. Step 6: Final answer
   x = 611,711.27